AI-native access to the family of free research data libraries — Econ Data Library (billions of economic series), HF Data Library (1-minute US equity data) and IP Data Library (patent & innovation measures) - one server for all of them.
Connect: add this server to Claude, Cursor, or any MCP client:
https://elkassabgidata-mcp.elkassabgi.workers.dev/mcp
Downloads need the free ElkassabgiData key (browse/search is open). Configure it as an
X-API-Key header, Authorization: Bearer, or append
?api_key=YOUR_KEY to the URL above.
Get a free key — one account for every library.
Tools: search & fetch econ series with citations · bundle manifests · per-source freshness board · HF bars/variables download links · IP bundle download links · family status · honesty charter · analysis prompts.